<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
   <script>
       var score=88;
       if(score>=90&&score<=100){
           alert("优秀");
       }else if(score>=80){
           alert ("良好")
       }else{
           alert("自己补全")

       }
      // alert(88/10);
       for(var i=1;1<=9;i++){
        for(var j=1;j<=i;j++){
            document.write(j+"*"+i+"="+(j*i)+"&nbsp;&nvsp;&nbsp;&nbsp;");
        }
        document.write("<br/>")
           }
       let k=1;
       while(true){
           if(k>=10) break;
           document.write(k+"</br>")
           k++;
       }
       </script>
</body>
</html>
